rust/tests/ui/coherence/coherence_local.rs

21 lines
611 B
Rust

// Test that we are able to introduce a negative constraint that
// `MyType: !MyTrait` along with other "fundamental" wrappers.
//@ check-pass
//@ aux-build:coherence_copy_like_lib.rs
extern crate coherence_copy_like_lib as lib;
struct MyType { x: i32 }
// These are all legal because they are all fundamental types:
impl lib::MyCopy for MyType { }
impl<'a> lib::MyCopy for &'a MyType { }
impl<'a> lib::MyCopy for &'a Box<MyType> { }
impl lib::MyCopy for Box<MyType> { }
impl lib::MyCopy for lib::MyFundamentalStruct<MyType> { }
impl lib::MyCopy for lib::MyFundamentalStruct<Box<MyType>> { }
fn main() {}